Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Idaea gemmata (Packard, 1876)

Family: Geometridae
Subfamily: Sterrhinae
Identification: Forewing off-white to cream-colored except for brownish to dark gray median area; discal spot dull orangish; PM line wavy; diffuse dark smudges in subterminal area; terminal line composed of dark dots at ends of veins; fringe pale; hindwing color and pattern similar to forewing.
Wing Span: 1.2-1.5 cm
Life History:
Flight: April to September.
Caterpillar Hosts:
Adult Food:
Range: California to Colorado and western Texas.
Management Needs:
Taxonomy Notes: None.